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Antibody Detection of Vaccine-Induced Secretory Effects

Antibody Detection of Vaccine-Induced Secretory Effects

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04895475
Acronym
ADVISE
Enrollment
61
Registered
2021-05-20
Start date
2021-02-19
Completion date
2023-08-31
Last updated
2025-07-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Coronavirus, Covid19, Humoral Acquired Immunodeficiency, SARS-CoV Infection

Brief summary

The purpose of this research study is to conduct a prospective longitudinal surveillance research study, enrolling approximately 60 lactating mothers who receive the SARS-CoV-2 vaccine, and then following their clinical and laboratory parameters for up to 12 months. The overall goal is to investigate the characteristics of antibody formation in lactating women receiving SARS-CoV-2 vaccination, documenting the antibody isotypes, titers, duration, and transfer into milk over time.

Detailed description

As the global and pandemic spread of the novel coronavirus (SARS-CoV-2, COVID-19) continues, many knowledge gaps remain regarding the epidemiology and transmission of infection, the immunological responses after viral exposure, and the immunological protection after vaccine administration. Cincinnati had its first confirmed case of COVID-19 on March 14, 2020, and despite extensive shelter-in-place and social distancing efforts, community spread has continued over the past 10 months with several distinct infection surges. As SARS-CoV-2 vaccines are becoming available in early 2021, it is important to understand the immunological effects of these vaccines and to contrast them to the effects of natural infection. Of particular interest are the immunological effects of SARS-CoV-2 vaccines for lactating women, and whether breast milk will include secretory antibodies against the virus that potentially confer protection to the breastfeeding infant. The investigators have a unique but time-limited opportunity to track the humoral immunological responses of SARS-CoV-2 vaccination among lactating women. The investigators designed Antibody Detection of Vaccine-Induced Secretory Effects (ADVISE) to collect and analyze serial breast milk samples for secretory antibody responses, along with periodic blood testing of the mothers and their breastfeeding children. In ADVISE, the investigators will document the prevalence and cumulative incidence of secretory antibody responses to SARS-CoV-2 vaccines, and gain insights into the protective immunological effects of elective vaccine administration.

Interventions

Baseline demographics, baseline breast milk samples, and blood collection will be obtained at the initial visit. Serial collections of breastmilk and blood as well as weekly self-administered monthly surveys will occur

Sponsors

Children's Hospital Medical Center, Cincinnati
Lead SponsorOTHER

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Age ≥ 18.0 years at the time of enrollment * Currently lactating mothers * Planning to receive the SARS-CoV-2 vaccine in the next 60 days, or vaccinated with the SARS-CoV-2 vaccine within the past 60 days * Cell phone that can be used for text messaging or web-based viewing of surveys * Willing and able to provide informed consent * Ability to comply with all study related evaluations and follow-up

Exclusion criteria

* Any condition or illness that makes study participation ill-advised

Design outcomes

Primary

MeasureTime frameDescription
IgA antibodies against Spike protein12 monthsA 3-month cumulative prevalence of IgA antibodies against Spike protein after the completed administration of the SARS-CoV-2 vaccine.

Secondary

MeasureTime frameDescription
SARS-CoV-2 antibodies12 monthsThe associations between maternal serum antibodies (onset, titer, duration) and breast milk antibodies against SARS-CoV-2, as well as comparisons of antibody responses after vaccine to natural infection.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 8, 2026